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Transformer Based Online UPS 10~400KVA
Transformer Based Online UPS 10~400KVA
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Key Features(Transformer Based UPS 10~400KVA 3:3):
High reliability configuration
Double conversion online design, clean sine wave sources, frequency tracking, phase-locked, voltage regulation, low distortion, no power fluctuation interference, bypass mode available, built-in manual maintenance bypass switch, auto mode-switching by interlocks, unattended operation, cold start function.

N+X parallel redundancy
Unbalanced-rating paralleling technology, up to 8 paralleled units, auto load-sharing, flexible configuration & updating.

Wide input range
Input voltage range up to 20%, low battery mode switching frequency, long battery life, 45Hz ~ 65Hz auto sensing , high compatibility with local generators.

Digital Control
2 DSP control units, intelligent battery management technology, auto battery floating charge switching, I/O voltage settings available through control panel.

Stable Operation
Stable & continuous power supply available under extreme grid conditions, SPWM technology, 6th generation IGBT module, optional isolation transformer, transformer based configuration, phase-loss resistance.

Comprehensive Protection
Output overload & short-circuit protection, battery fault & under-voltage protection, battery over-charging protection, inverter over-temperature protection, auto bypass mode switching, self-diagnosis function, remote EPO function.

User-friendly Communication
Optional LED / LCD display, status & statistics of operation display, optional RS232 / RS485 interface, external SNMP adapter, remote monitoring & management availa
ble.

Technical Specifications (Tranformer Based UPS 10~400KVA 3:3)

Model

NP3300 Series

Capacity

10KVA~400KVA

Input Voltage

380VAC -/+ 20% (3 phase)

I/O Frequency

40Hz ~ 65Hz (auto sensing)

THD

<1% (linear load), <3% (non-linear load)

Crest Factor

3 : 1

Output Voltage

380VAC (3 phase + neutral)

Power Factor

0.8 (optional 0.9)

Overload Ability

60’ / 10’ / 1’ (110% / 125% / 150%)

Battery Voltage

192VDC (optional 240VDC / 384VDC / 480VDC)

Transfer Time

0ms

Display

LED (optional LCD)

Interface

RS232 / RS485 (optional intelligent slot / Dry Contact)

Standards

EMI: IEC62040-2; EMC: IEC61000-4

Note: IP22 enclosure (optional IP55 enclosure for outdoor use); optional voltage 110VAC -/+15%; optional isolation transformer, surge protector.

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